Search a number
158293 is a prime number
BaseRepresentation
bin100110101001010101
322001010201
4212221111
520031133
63220501
71226332
oct465125
9261121
10158293
11a8a23
1277731
1357085
1441989
1531d7d
hex26a55

158293 has 2 divisors, whose sum is σ = 158294. Its totient is φ = 158292.

The previous prime is 158269. The next prime is 158303. The reversal of 158293 is 392851.

158293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154449 + 3844 = 393^2 + 62^2 .

It is an emirp because it is prime and its reverse (392851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158293 - 25 = 158261 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79146 + 79147.

It is an arithmetic number, because the mean of its divisors is an integer number (79147).

2158293 is an apocalyptic number.

It is an amenable number.

158293 is a deficient number, since it is larger than the sum of its proper divisors (1).

158293 is an equidigital number, since it uses as much as digits as its factorization.

158293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 158293 is about 397.8605283262. The cubic root of 158293 is about 54.0945987002.

The spelling of 158293 in words is "one hundred fifty-eight thousand, two hundred ninety-three".